A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device.
This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.
References
| Link | Resource |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh | Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
07 Nov 2023, 04:05
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device. |
Information
Published : 2023-01-20 07:15
Updated : 2024-02-28 19:51
NVD link : CVE-2023-20057
Mitre link : CVE-2023-20057
CVE.ORG link : CVE-2023-20057
JSON object : View
Products Affected
cisco
- email_security_appliance_c390
- email_security_appliance_c160
- email_security_appliance_c690x
- email_security_appliance_c170
- email_security_appliance_c680
- email_security_appliance_c380
- email_security_appliance_c370
- asyncos
- email_security_appliance_c690
- email_security_appliance_c370d
- email_security_appliance_x1070
- email_security_appliance_c670
- email_security_appliance_c190